Home / 1,123,656.23-1,686,683.75-484,275.50

Finding the Fourth Proportional to 1,123,656.23, 1,686,683.75 and 484,275.50

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Solution

The fourth proportional to 1,123,656.23, 1,686,683.75 and 484,275.50 is: 726,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,656.23 : 1,686,683.75 = 484,275.50 : x
  2. Step 2: Convert to fraction form
    1,123,656.23/1,686,683.75 = 484,275.50/x
  3. Step 3: Cross multiply
    1,123,656.23x = 1,686,683.75 × 484,275.50
  4. Step 4: Simplify right side
    1,123,656.23x = 816,819,621,800.52
  5. Step 5: Solve for x
    x = 816,819,621,800.52/1,123,656.23
  6. Step 6: Final answer
    x = 726,930.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.